ISO-6461-2 Water quality -- Detection and enumeration of the spores of sulfite-reducing anaerobes (clostridia) -- Part 2 : Method by membrane filtration

ISO-6461-2 - 1ST EDITION - CURRENT


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The procedure is applicable to all types of water, except when a large amount of particulate material is liable to be retained by the membrane. The principle covers several steps from selection by applying heat to destroy vegetative bacteria to filtration of the water sample through a membrane filter having a suitable pore size (0,2 µm) to retain the spores in or on it. The filter is placed on a selective culture medium, followed by incubation and counting of black colonies.

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07.100.20 (Microbiology of water Examination of biological properties of water, see 13.060.70)

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Document Number

ISO 6461-2:1986

Revision Level

1ST EDITION

Status

Current

Publication Date

Feb. 1, 1986

Committee Number

ISO TC 147/SC 4